805210 has 16 divisors (see below), whose sum is σ = 1656576. Its totient is φ = 276048.

The previous prime is 805187. The next prime is 805213. The reversal of 805210 is 12508.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5682 + ... + 5821.

It is an arithmetic number, because the mean of its divisors is an integer number (103536).

2⁸⁰⁵²¹⁰ is an apocalyptic number.

805210 is an abundant number, since it is smaller than the sum of its proper divisors (851366).

It is a weird number, because it is abundant, but not a pseudoperfect number.

805210 is a wasteful number, since it uses less digits than its factorization.

805210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11517.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 805210 is about 897.3349430397. The cubic root of 805210 is about 93.0328630920.

Adding to 805210 its reverse (12508), we get a palindrome (817718).

The spelling of 805210 in words is "eight hundred five thousand, two hundred ten".